diff --git a/create-rust-app_cli/qsync/src/hook.rs b/create-rust-app_cli/qsync/src/hook.rs
index eadd437e..30fa6c05 100644
--- a/create-rust-app_cli/qsync/src/hook.rs
+++ b/create-rust-app_cli/qsync/src/hook.rs
@@ -103,7 +103,10 @@ impl Hook {
         }
 
         if !self.query_params.is_empty() {
-            variables.push_str("  const queryParams: Record<string, any> = Object.assign({}, ");
+            variables.push_str(
+                "  // we use JSON.parse(JSON.stringify()) to remove nested undefined values\n",
+            );
+            variables.push_str("  const queryParams: Record<string, any> = JSON.parse(JSON.stringify(Object.assign({}, ");
             let query_param_iter = self.query_params.iter();
             for (index, param) in query_param_iter.clone().enumerate() {
                 let is_primitive_type = is_primitive_type(param.hook_arg_type.clone());
@@ -126,7 +129,7 @@ impl Hook {
                     variables.push_str(", ");
                 }
             }
-            variables.push_str(")\n");
+            variables.push_str(")))\n");
         }
 
         if !self.path_params.is_empty() {